PSS Shaft Seal 1-¾" Shaft 3-½" Tube

The PSS Shaft Seal 1-¾" Shaft 3-½" Tube is an essential component for maintaining the integrity of your boat's through-hull drive system. It is particularly suited for inboard and outdrive applications, where reliable sealing is crucial to prevent seawater and debris from entering the vessel. This seal is ideal for medium-duty recreational and light-commercial vessels, especially those in the 25–40-foot range.

The PSS design employs a spring-loaded graphite face that presses against a hardened carbon ring, creating a dynamic seal that minimizes drag while effectively preventing seawater intrusion. This innovative design ensures that the seal maintains its integrity under various RPMs, from idle-speed maneuvering to full-throttle cruising. The 3-½" tube length allows for stable engagement with the shaft log, accommodating standard installation dimensions.

Boaters performing routine maintenance or addressing early warning signs of seal failure will find this replacement seal invaluable. It is crucial to act on any signs of water intrusion, as these can lead to catastrophic failures if left unaddressed. The PSS Shaft Seal is a reliable choice for ensuring the longevity and performance of your vessel's drive system.